Plastic Plastics are used on a daily basis throughout the world. The word plastic is a common term that is used for many materials of a synthetic or semi-synthetic nature. The term was derived from the Greek plastikos‚ which means “fit for molding.” Plastics are a wide variety of combinations of properties when viewed as a whole. They are used for shellac‚ cellulose‚ rubber‚ and asphalt. We also synthetically manufacture items such as clothing‚ packaging‚ automobiles‚ electronics‚ aircrafts‚ medical
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reactivity with water‚ flammability‚ heat of combustion. Resin refers to the basic chemical composition of each type of plastic. Each resin has unique properties and is used (often mixed with additional chemicals and materials) in the manufacture of a variety of plastic products. Sometimes there are letters beneath the resin codes. These are abbreviations for the name of the plastic resin that the code represents. These abbreviations are not always included‚ though the number always represents the
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Plastic can be defined as: any group of synthetic or natural organic materials that may be shaped when soft‚ which will later harden. Plastic has been around for more than 150 years. In 1839 Charles Goodyear accidently discovered the process of vulcanization‚ the process of making rubber more durable‚ which evolved into the creation of plastics later on. In 1846‚ Swiss chemist Charles Schonbein discovered how to produce the plastic polymer known as celluloid. In 1909‚ chemist Leo Baekeland created
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Negative Effects of Plastic Bags There are several issues on earth that need immediate attention; such as global warming and green house effect‚ air pollution‚ climate change‚ and plastic pollution. Current use of plastic bags and disposal‚ both not only create environmental problems‚ but also reinforce the perception of a wasteful society. Human beings invented plastic bags for the convenience of carriers and packers. However‚ plastic bags have become one of the today’s serious issues that need
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Plastic Composition and Types of Plastic A plastic is made up principally of a binder together with plasticizers‚ fillers‚ pigments‚ and other additives. The binder gives a plastic its main characteristics and usually its name. Thus‚ polyvinyl chloride is both the name of a binder and the name of a plastic into which it is made. Binders may be natural materials‚ e.g.‚ cellulose derivatives‚ casein‚ or milk protein‚ but are more commonly synthetic resins. In either case‚ the binder materials consist
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Solutions to Plastic Pollution in our Oceans The Basics We ’re treating the oceans like a trash bin: around 80 percent of marine litter originates on land‚ and most of that is plastic. Plastic that pollutes our oceans and waterways has severe impacts on our environment and our economy. Seabirds‚ whales‚ sea turtles and other marine life are eating marine plastic pollution and dying from choking‚ intestinal blockage and starvation. Scientists are investigating the long-term impacts of toxic pollutants
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Response to Documentary: “Addicted to Plastic” This documentary enlightened me on how plastic influences our lives. For instance‚ in the beginning of the film the filmmakers mention that they wouldn’t have been able to create to movie if it wasn’t for plastic. Almost everything we use has plastic or plastic residue in it. I believe that it’s going to take a very long time until we can be completely weaned off plastics. I also believe that we will never be able to get rid of plastics in the oceans. The moment the film showed the buildup in our oceans
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General purpose : To inform my audience about plastic Specific Purpose : To inform my audience the benefit of using plastic furniture Central Idea : Using plastics furnitures are affordable‚ convienient and environmentally friendly. INTRODUCTION I.We have seen‚ in the recent days‚ a rise in the number of people opting for plastic furniture. II.You could also find yourself attracted in the same direction‚ but wanting to know why exactly you should buy plastic - and not wooden furniture for instance
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FEATI University held a symposium to increase the awareness of the students about the negative effects of using plastics and Styrofoam. The speaker started his talk by showing a well-thought out video. Different phenomena and drastic consequences showed in the presentation prove the major effects of the predicament the world is facing nowadays – which is using materials made out of plastics such as bags‚ straws‚ cups and etc. It evinces that such activities are harmful to the environment. In my perspective
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PLASTIC SURGERY One day‚ I went out for lunch with my friends. I shared a movie that I watched recently to them. Wow! I was excited and can’t even wait for a moment to tell them how nice was the movie and how good looking was the actress! But‚ when I mentioned her name‚ Angelababy‚ one of my friend said sarcastically that she did a lot of plastic surgery‚ that’s why she look pretty and prefect. Plastic Surgery? I had search some pictures of Angelababy that before she did plastic surgery from
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